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10th Science (samacheer kalvi ) One Mark

Written By Raja Krishnan on Tuesday, August 23, 2011 | 23.8.11




10th Science (samacheer kalvi ) One Mark

1. HEREDITY AND EVOLUTION
Fill  the Correct Answer
1.            The paternal and maternal genetic material which influence the traist is……………..
2.            The first ever scientific experimental study on heredity was worked out between the years…
3.            The first experiment of Mendel considering the inheritance of a single trait is called……
4.            The men like Hominids  who walked into Eastern Africa were measured to be……………………
5.            The meat eaters who existed 1.5 million years ago were callled………………..
6.            The term vaccine was coined by…………………
7.            Dolly was developed in the year…………………..
8.            The nucleus of udder cell which was used to develop Dolly was taken from…………………
9.            Vaccines are substance that confer immunity against………………
10.          Steroid drugs like prednisolone is produced from
11.          Antibiotics are chemical substances derived from microbes like…………………
12.          Bio-technologically synthesized vitamin  is usesd to cure ………..
13.          Biological computers will be developed using
14.          Gene therapy is the means to treat or even cure genetic and acquired disease like
15.          In Germ line gene therapy, ……………………..
16.          Bio-Chips will be useful in …………………….
17.          …………………….are developed by employing techniques of bio-technology
18.          Insulin dependent diabetes  is caused by the degeneration of beta cells due to a ……………….
19.          Gene therapy is used to treat defects in…………………..
20.          The ………………..converts biological signal into electrial signal
21.          Bio-sensor is used in…………………….and ……………
22.          Bio sensor is a device consisting of immobilizes layer of biological material such as ………………
23.          Bio Chemically significant enzymes are derived from………………….
24.          Amylase is derived from………………of bacteria.
25.          The theory of Use and Disuse was proposed by…………………….
26.          Odour, freshness and taste of food can be measured by using………………
27.          Production of any toxin in the body due to infection  can be detected by……….
28.          ...…………..is so vast and has great scope for different fields like agriculture, medicine, food  industry .etc
29.          ...............are suspensions of killed or live germs which is employed to induce the production of antibodies and bring forth immunity.
30.          ..............are employed to kill the infectious germs and cure a disease.
31.          The somatic stem cells are derived from sources such as .....................
32.          ................vitamin is synthesized bio-technologically.
33.          ................cell culture is similar to that of embryonic stem culture     
34.          Fertilization made artificially in the laboratory is called...................
35.          The embryonic stem cells can be derived from.............which is developed by “in vitro fertilization”.
36.          .....................are the most unspecialized mass of cells.
37.          The .............clones are developed by nuclear transfer into the host cell.
38.          The induced clones are developed by .................into the host cell.
39.          ...................clones include identical twins.
40.          The word .................refers only to living species.
41.          Monoclonal anti-bodies are the anti-bodies produced by ..............cells.
42.          ...............anti-bodies are now used for treatment of cancer.
43.          ..................are a type of derived lips.
44.          The term vaccine was coined in the year…………
45.          The first vaccine produced by bio-technology was used against ……………………virus
46.          Genetic  engineering has developed after the discovery of two …………………..
47.          ……………are the past enzymes which helps to join the broken DNA fragments.
48.          ……………………are the molecular scissors which cut DNA at specific site.
49.          Nitrogen fixation (NF-genes)  will help the cultivator to
50.          Which gene is used in nitrogen fixation?

Remaining questions will update soon

Answers
1.            DNA
2.            1822-1884
3.            Monohybrid cross
4.            Not taller than four feet.
5.            Homo erectus
6.            Edwaed jenner
7.            July  1996
8.            Six Year old Finn Dorest white sheep.
9.            Specific  diseases
10.          Rhizopus
11.          fungi, Bacteria
12.          Pernicious anaemia
13.          Bio-Chips
14.          Cancer
15.          egg and sperm of the parents are changed
16.          Defence, Medicine
17.          Micro Chips.
18.          defective gene
19.          Somatic cell
20.          bio sensor
21.          medicines and industry.
22.          enzyme, antibody, hormone, nuclei acids.
23.          microbes
24.          amyloproteins.
25.          Lamarck
26.          Bio-sensor
27.          Bio-sensor
28.          Bio-Technology
29.          Vaccines
30.          Antibiotics
31.          bone marrow, embryos, amniotic fluid and umbilical cord
32.          B12
33.          Somatic stem
34.          invitro fertilization
35.          early embryo
36.          stem cells
37.          artificial
38.          nuclear transfer.
39.          Natural
40.          clone
41.          cloned
42.          Monoclonal.
43.          Steroid.
44.          1791
45.          Hepatitis B
46.          enzymes.
47.          lygase
48.          Endonuclease (OR) Restriction Endonuclease
49.          increase productivity
50.          NF  gene 

6 comments:

  1. wow...its gr8..... thanks...

    ReplyDelete
  2. It is really helpful. I'll be glad if all the lessons were there

    ReplyDelete
  3. thanks a ton.. it is very helpful .

    ReplyDelete
  4. thanks a lot this one marks are very useful

    ReplyDelete

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